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A Journal of VHF-DHF Radio Teofanology & Engine^itg 

fuiiifaMtijr C<MMtroidcaia8iiti!«ttgntiH}BDx2624?8t 
l^t^btieii/Editor: W< IX Ctteek; St* a4uL ^Dr, 

^ ISSN 1061n924d 

Volumes^ Number? S5.00 

(Still open til Sept 30, 1995) 

See this space in last issue for tlie rules, 
terms and conditions. The Pet Peeve 
Contest is open until 9/30/95. Winners 
receive a PerCon Soectnim Lite FCC 
Database on CD-ROM . Meanwhile, 
we’re happy to announce the first 

From: Ira Cooper Lexington, KY: 
Received: Internet e-mail. Wednesday, Sept 
06, 1995 5:39 PM 

There's not a lot I don't like about radio. 
However, some people in the radio clubs & 
nets (BBS, AOL, etc) give me pains. There 
are the know-it-aH's (self proclaimed). But 
the people that get my ire -are the "/ can get 
that for $2 in Madagascar types. 

Let me elaborate. In the sell/trade sections 
of the BBS’s someone will offer, for instance, 
a Pro-2006 for $325. Then there will be ten 
responses about how these aren't worth it 
'* You can still get them new in San Salvador 
for a goat head." Now these people aren’t in 
the market for a 2006, or any radio for that 
matter. But they waste their time and my 
time putting these stupid comments on line. 

I don’t know If they think they are helping us, 
giving us a great tip, or trying to make the 
seller feel like a fool. My specific situation 
went like this. I bought a Pro-39 (brand 
new), did the cell mod, 12800 channel 
memory mod (using surface mount parts), 
added an on/off light switch (mini slider 
actuator on side of radio), and the signal 
strength S-Meter mod. The meter was an 
external plug-in type and included with the 
radio. The hack jobs are very nice (if I may 
say so myself) and the radio maintains its 
original profile. OK, I decided since I have 9 
radios I would offer this one for sale. I put it 
on AOL and Newsgroup sites. I paid $179 + 
tax. My asking price was $275, OBO. This 
is what I wanted to part with this radio, 
otherwise I would keep it. Well, the next day 
I get e-malled from some faceless jerk telling 
me "Pro-39's go for $1(X)-125 at flea 

markets all the time, nobody really is 
interested in the memory mod and the S- 
meter mod is also worthless especially since 
it’s external, but good luck anyway. "No 
offer, no questions, just BS. I see it all the 
time. If you want to make an offer (no 
matter how ludicrous) make It but don’t tell 
me what YOU think everyone else wants. It 
just bugs me. Bill and Cindy keep it coming. 
Ira Cooper ( 

ED: Wow, a good one, Ira! I can relate 
because I see it all the time, too. Some 
people are just persnickety and ornery, I 
guess. The computer network forums are 
just full of them, probably because it is 
so easy to pipe in with snide remarks and 
not get pasted up side the chops for their 
time and trouble. Your pet peeve is a 
classic, so Cindy and I unanimously 
selected you to be the first winner. 
Thanks for your time and trouble. 

Our next winner comes as a surprise to 
tlie submitter because mostly likely, he 
had no idea he was entering a contest. 
His critique is tantamount to a peeve and 
quite worthwhile, so a PerCon Spectrum 
Lite goes out to: 

Name Withheld by Request: received 
Internet e-mail: Wednesday, September 06, 
1995 5:28 PM 

Bill: I must admit that I don't write very 
many letters, but I felt compelled to do so 
after reading your article "How to buy a 
Computer for Your Shack and Station" in 
the WSR. I have used and owned many 
computers over the years (Commodore PET, 
\/IC-20, Atari 800, Apple II, Madntosh and 
Windoze machines) and feel that I know 
something about them after ail this time. I 
also understand that this article was aimed at 
"newbies" in the computer field. However, I 
believe that the following changes should be 
made to your list: 

Item 12 (Hard Drive); A^uick look in 
my local (NJ) Sunday paper revealed a 
shortage of 540Mb drives. The standard 
seems to be 730-850Mb and up! 1 believe 
the "newbie" will be confused since they 

won't be able to locate the 540Mb you 

Item 2S (Modem Type): 1 still feel that a 
14.4kbps modem Is adequate for newbies, 
although the difference in price is minimal 
(but not zero). 

Item 31 (Printer): This is where I believe 
you missed the mark. Ink Jet technology is 
the way to go today. My local WalMart had a 
sale recently on the HP DeskJet for $200. It 
does a beautiful job of printing with the 
included black cartridge, and is also capable 
of printing in colorl My neighbor (another 
computer newbie) just bought one, and loves 
it In addition, the ink jets are very quiet, 
compared to their dot-matrix brethren. And 
who can complain about 300dpi printing? 
You can't get that from dot matrix! 

By the way, I really like your newsletter, and 
don't appredate anonymous letters to the 
editor (i.e. the letter from 

ED: No quibble on larger sized hard 
drives: it*s just that the smallest hard 
drive one should get nowadays is 540- 
Mb. Most assuredly, the larger, the 
better. Now when it comes to modems, 
we might have to argue. The cost 
difference between old, now outdated 
14.4-kbps modems and the new 28.8- 
kbps types is really zilch, if you consider 
the long term operating costs of 14.4- 
kbps (twice as much as 28.8-kbpsl) You 
might save $50 initially, but at 15^/min, 
that savings is eaten up after about 11- 
hrs of long-distance time. A 28.8-kbps 
modem will return a profit for every 
minute thereafter. I think a 14.4-kbps 
modem (and slower) is a false economy 
now, at any price. 

I did not consider ink-jet printers solely 
because they come in the middle between 
the advantages of dot-matrix and laser. 
A radioist might actually put a dot 
matrix printer to better use than either a 
laser or ink jet by virtue that the dot 
matrix printer can print one line at a 
time without a subsequent formfeed to 
waste the rest of the paper. Laser and 
inkjet printers will spit out the entire sheet 

9/19/95^-4:44 PM'-Page 1 

when a single line is printed. I am thinking 
of logging needs that are sometimes useful to 
the radioist. The CE-232 Interface offers 
such logging features, as do many other 
radio d electronic applications. 

In any e\^ent, the dot matrix printer remains 
my choice for a minimum quality of printer, 
but the buyer is always free to elevate the 
specs, depending on budget and need. 

Your input and slightly different ways of 
looking at things are appreciated, however, 
and I consider them valuable enough to offer 
the readers for a wider range of 


Hey, are you guys ‘n gals interested in 
building or upgrading your own 
computers? The time is right, and I can 
show you how to do it at great savings 
and immense satisfaction. But I don’t 
want to bore or irritate too many people. 
So let’s hear it from you...cast your vote 
for a detailed article or a series of shorter 
articles that will show you how to build 
or upgrade your own computers. I have 
done a few and can attest to it being a 
“piece of cake”. You can save a bundle 
and learn a helluva lot at tlie same time. 
And remember, radio and computers are 
forever “joined at the hip” now. I’m 
going to do a lite version of this idea in 
my ^Monitoring Times" column, but if 
enough of you folks are interested. I’ll 
dig into some real gory details for you 
here. Let me know by e-mail or postal 
mail, please. 


By Janet Cravens 

Lighten up, guys! This is not brain 
surgery. You may think the world is 
coming to an end if you don't get that 
last frequency NOBODY else has, but 
chances are, you'll live. 

So here I am again. I'm going to 
try to keep everyone up-to-date on the 
occurrences in our scanner's life. 
Obviously, it sees more action than I 
do, else I could tell you about my life. 

Last time we discussed a lot of new 
things I've learned since my husband, 
Roger, casually mentioned he thought 
he'd like to have a police scanner. I 
didn't, however, tell you that the only 
time he gets a phone call from my 
mother, its because her scanner isn't 

working any more; or she needs a new 
frequency list; or she's lost her page 
of "ten-codes" and can't figure out 
what's happening. She calls him almost 
every Saturday morning to see if he 
got to listen to that high speed chase 
from the night before, or see if he 
knows what's happening over on 
Anneewakee. Come to think of it, she 
calls him more often than she calls me. 
We've been married almost 7 or 8 
years (we neither can remember how 
long), and the only time he visits my 
parents is with his radio riding shotgun. 
But of course the radio is not allowed 
to stay in the van/ has to go 
into the house like the rest of the 
family. My sisters and brothers don't 
understand the obsessiveness of this 
little habit....I try to tell them that if 
they'll just ignore him, he won't even 
realize they're there and we'll get to 
stay longer. If he "wakes up and 
realizes where we are, we'll have to go 
home sooner". 

About the Government Printing 
Office in Atlanta...what I didn't tell 
you is that I've discovered I can drive 
around the block at least 47 times 
before he can decide what book to 
purchase and which one to save for 
next time. I didn't tell you about all 
the ugly words people use when I 
cruise by r-e-a-l s-l-o-w, just in case 
he's almost finished and I can save 
myself another drive around the block. 
I've learned quite a vocabulary. 
Unfortunately, I'm not old enough to 
use words like that...or to understand 
them either for that matter. 

I've learned not to mind when he 
informs me "his girl" is back on 
dispatch. He loves the way she says 
"clear"—it sounds like "Claire*—it took 
me months to realize what she was 
saying and I'm from the SOUTH. He's 
been looking for Michelle for a while 
too, because last he heard she was 
working with the Special Investigative 
Division (SID), but he hasn't heard 
"from" her in a while. 

And I didn't tell you about the 
night he was in the store buying a 
newspaper and checking out the 
perimeter of the store. Every weekend, 
there seems to be a drug bust or 

purchase at this particular store, arid 
he thought "his" SID folks were out. 
While he was in the store, I overheard 
the detectives talking about where the 
party was and what the scenario when he came out of the 
store, I drove on to the party so he 
could see what was going on. He almost 
had a stroke! He didn't realize I was 
going to drive right past the house and 
check them out. That was the closest 
we've been to a 10-16; he made me 
leave the area immediately! Personally, 
I thought if the cops stopped and 
asked us what we were doing, we could 
just tell them we were smurfing 

So tell me. What's the big deal 
with being caught? It isn't illegal to 
listen in on a police scanner, we are 
living in a country where freedom is 
synonymous with responsibility—you 
can't have one without the other, and I 
figure if a drug bust is going on right in 
my neighborhood, why should I wait for 
TOP COPS to see what happened. 
Roger did not understand my reasoning. 

And I'm sure he hasn't told any of 
you about the day he decided to do a 
little research up at the Sheriff's 
Office. He'd been doing lots of 
reading and research about antennas— 
he decided he'd go by the sheriff's 
office on the way back from the dump- 
-do you know the Sheriff Department 
didn't really care too much that he 
just wanted to measure the antennas 
on the back of their cars. Seems like 
they thought if they wanted him to 
know, they would have told him when 
they issued his driver's license several 
years ago. 

We went to the Braves game a 
couple of weeks ago. His Pro 2006 and 
his frequency counter had to go along 
with us, along with his headphones so 
he could listen to "stuff". One of the 
girls from my office works in security; 
when she saw me and we starting 
talking, he pulled out his frequency 
counter and began scanning her breast 
to see what frequency the Braves were 
transmitting on—Okay—it really was 
her radio next to her breast, but it 
sure looked a little flaky to me. If I 
hadn't been there and seen that, I'd 

9/19/95->4:16 PM~ The ^WoHd Scanner Rcport^^ © 1991-95; Volume 5, No 7; Page 2 

admonition for my next book to focus my 
attention on more mods and a bit less 
attitude^ <Balderdash & horsefeathers!> 

In a word, I wonder what horse this dude 
rode in on and where it came from and 
where it’s going. Any halfwit with a 
schematic and a screwdriver knows that 
hacking is an attitude. 

The SCANNER NEWS'' tore my 
first two books to slu-eds, telling their 
readers that my books were too technical 
and far over tlieir heads. And in general, 
they have little good to say about 
anything or anyone outside their little 
circle of the world. My impression is 
that the ‘^US SCANNER NEWS" takes it 
upon itself to decide for its readers 
what’s good for tliem and what’s not. 
This is a syndrome ...a failure 
which many potentially fine writers and 
rags seem compelled to succumb. The 
‘‘US SCANNER NEWS" failed to publish 
for lengthy periods over the last few 
years and actually went belly-up before 
being taken over by another publisher. 
It’s no wonder! They should just say tlie 
right things about people and products 
and leave responsibility to the readers 
and consumers to render judgment. 

Oh, don’t get me wrong. Ripoff products 
and those that have little merit should 
not be wliitewashed. You guys ‘n gals 

know me.I don’t whitewash. But then 

I don’t go off on ‘"attitudes" and tell 
other writers and companies how to 
attend to their business. I really try to 
avoid judgments and stick to the facts 
about products and services. Now I mV/ 
rip a new exhaust tube on a person upon 
occasion, but I tr\' to avoid mixing 
product and personnel reviews in the 
same breath; sometliing “US SCANNER 
NEWS" might do well to ponder. Other¬ 
wise, I guess they can just eat my shorts. 

Meanwhile, if you are looking for a new or 

differenf scanner magazine, drop a note 
of inquiry or call below. And, tell the 
pricks I sent ya and ask ’em who the hell 
wrote that review. Maybe they're sore at 
me 'cuz I never did ’em any favors. {Ok, 
favor done.) Besides, they have a few fine 
writers whom I consider friends and 


PO BOX 14923 
Voice: (800)890^999 
Voice: (503)230^999 
Fax: (503)233-5176 



— Continued — 

Continued? Well, yes. See last issue for 
the Super Snoop Microphone tliat I laid 
on ya. No, you’re not supposed to do any 
eavesdropping with it, but there’s more 
to tlie little sucker tlian just recording 
lectures and notes. Whatever your 
purpose, I have anotlier slick little add¬ 
on for it.a powerful, eas\' amplifier! 


What good’s a Super Snoop Microphone 
if you can’t hear anything? You don’t 
always need or want a tape recorder, but 
you still might want to listen to 
something weird and far out. My Super 
Snoop Amplifier accepts input from the 
Super Snoop Microphone and amplifies 
the hell out of tlie weak audio, sufficient 
to drive a small speaker or an earphone 
with all tlie sound your eardrums can 
handle. (And more.) And the sucker is 
cheap & easy to build, too. Togetlier, tlie 
Super Snoop mic and amplifier will 
impress the hell out of you and your pals. 

Key note here is that the Super Snoop 
Amplifier (SSA) is capable of being built 
into a veiy tiny space, perhaps even 
smaller tlian tlie battery required to 
power it (6 to 14 volts, not critical). The 
SSA draws 4-8 ma with no signal, but do 
not be deceived; tlie SSA can put out 0.7 
to 1.0 watt of audio power. That means 
a current drain of at least 110-ma at 9 
volts. Keep the power low, and current 
drain can be minimum so as to allow use 
of a standard 9 volt battery. Earphones 
or small speakers running at 0.1-watt 
will draw about 12-ma.not bad. 

In a word, the SSA can be built into a 

and perhaps even smaller, depending on 
how creative and innovative you are. 
Just allow for easy access to the battery if 
you anticipate tlie need for quick changes 
at inopportune times. 

Key Note: The SSA can serve as a 
general purpose utility audio amplifier, 
too. If you build yours with convenient 
Vs” phone jacks, tlien it can be 
compatible with almost any input/output 
needs, and not be limited to use with last 
issue’s Super Snoop Microphone; nor 
would it be limited to speaker-only or 
earphone-only applications. The SSA is 
a versatile tool around shop and shack. 

Technical: The heart of tlie SSA is a 
common little audio power amplifier 
cliip, available almost anywhere, from 
Radio Shack to generic parts houses. 
Tlie LM-386 comes in many styles, but 
our focus will be on eitlier tlie 8-pin DEP 
package like Radio Shack’s, or an 8-pin 
SMT (surface mount) package like can 
be acquired from DigiKey and otlier 
suppliers. In worst cases, you can use 
tlie NTE/ECG 823 as a prime substitute. 

The LM-386 is a powerful little chip tliat 
produces clean, low distortion sound at 
power levels under 14-watt. Its frequency 
response exceeds the 20 Hz - 20 Kliz 
audio spectrum. Voltage gain goes to as 
high as 200 for a lot of amplification! 
This baby is so good that with the Super 
Snoop Microphone from last issue, you 
can easily hear crickets chirping in the 
night, even when your ears might not 
detect them! It will clearly detect a 
whisper across a quiet, large room! 

Construction: Tlie SSA requires only a 
few common external parts for a fully 
functional audio amplifier. Construction 
is straightforward with the main concern 

ise smaller than a pack of cigarettes, to keep the input components relatively 


n n n n 

+6 to +14 vDC (not critical) 

8 7 6 5 


^ Top View 

O U U j 




9/19/95 - 4:26 PAt~ The “World Scanner Rcpoii” © 1991-95; Volume 5, No 7; Page 4 

have wondered whose breast he'd been 
"freaking" lately besides hers. He sat 
there all through that wonderful 
ballgame, didn't say a word to me or 
the boys, listened to his radio, and had 
himself a time. I guess you could say 
that for him the Braves game was sort 
of like that romantic night under the 
moon I talked to you about last month- 
-you know, where I got to sit there 
very close to him in the dark, late at 
night, right under the moon—and the 
repeater tower in downtown 
Douglasville—to try and pick up some 
new frequencies. 

Well, time to close for now with a 
small explanation of how the scanner 
became the most important piece of 
equipment in my life. See, one day I 
happened to mention to my husband 
that I needed this little piece of 
metal, plastic, and components....and 
what a wonderful contribution this 

would be to our lives.and he totally 

misread me and brought me home a 

Oh well, it's not brain surgery. At 
least I'll live. 




It just had to happen: my ULTIMATE 
SCANNER book got its first bad review. 
Surprisingly, it comes from a major 
publication instead of one of the small 
club newsletters that are more prone to 
tear things to pieces. The '"US SCANNER 
NEWS** tears my new book to slireds in 
their September, 1995, issue. I could 
live with that, since (1) nothing’s perfect 
in this old world, and (2) you can’t 
please all the people all the time, no 
matter how good you are. © 

The "USSCANNER NEWS** took it upon 
itself to get a little personal, tliough, 
which comes as quite a surprise to me 
since I know Bob Gehri,their editor and 
some of their writers. Unfortunately, the 
author’s name of the ULTIMATE 
SCANNER product review was not 
mentioned. I have no idea of who hid 
behind the feathered quill, but I shall 
take a bit of space here to respond to 
those parts of the book review that are, in 
my estimation, unfair, untrue, or out of 
order. First, I must observe that the "US 

SCANNER NEWS** took my first two 
books to task, too. Now if tliat doesn’t 
reek of peculiarity, I don’t know what 
does. The success and acclaim of my 
are legend. With that in mind, please 
consider my following reply: 

Tlie opening paragraphs of “US' SCANNER 
NEWS** review of the ULTIMATE 
SCANNER set a general derogatory tone 
that is difficult to understand but comes 
quickly to the point, "Most of the actual 
modification projects in the Ultimate 
Scanner focuses toward the PRO- 
2004/5/6 and PRO-43, The only 
scanners that Cheek believes to warrant 
serious hacking attention../' 

Let tlie record speak for itself. Are there 
other seriously hackable scaimers? No. 

Referring to an adaptation of Bruce 
Elving’s SCA modification tliat I 
presented, the author laments, 

“. although usable with any scanner which 

covers the Fhl Broadcast band, installation 
in scanners besides the 2004/5/6/2035 is 
unfortunately brushed aside. 

Hogwash! How do you "brush aside" 
that which does not exist? Are there any 
otlier prominent scaimers that have the 
FM Broadcast band and which might 
attract an interest in SCA? I mentioned 
the Regency Z60 and the PRO-2003, but 
geez, doode, hackers don’t own those 
rigs. They are ancient and of no main¬ 
line interest. And tliere aren’t any other 
FM Broadcast scaimers of which I am 
aware. The mfrs/dstrs of AOR scanners 
don’t cooperate with me relative to 
needed technical data, so what else is 
tliere to "brush aside" fer Pete’s sake? 

The author goes on to whine about the 
cellular mods I included for "about 2 
dozen different models of scanners from 
both Radio Shack and Uniden. Only 4 of 
the cell mod descriptions are supported 
with illustrations, however. The bigger 
limitation here, of course is that none of 
these particular models of scanners are 
still available as new product. ** 

Good grief! Apparently that author 
doesn’t know that new scanners are not 
capable of cellular modifications! 
Furthermore, he must prefer picture 
books to well written prose. Here, you 
tell me if a picture is needed: PRQ-2QQ6 
cellular mod: Lift top cover. Look behind the #3 key 
on the keyboard. Clip the exposed leads of both 
diodes. Replace cover. Operate as normal. If it 

could be explained tliat easily, I did not 
insert expensive, space consuming 
illustrations. (What’s this guy want?) 

Then, referring to my award of Ultimate 
Scanner Status to the PRO-2004/5/6/- 
2035, the author pontificates that I "may 
be more closely describing a BC-9000" 
He fails to note tliat the BC-9000 was not 
released at tlie time my manuscript went 
to the publisher. He has failed to peek 
inside one since tlien, to become 
intimately aware of what I mean about 
lots of sizzle and no steak, and not being 
able to extract blood from turnips. 

He snivels about my positive comments 
on Radio Shack’s service manuals and 
ho-hum on Uniden’s. He ruminates that 
Uniden manuals are as good as Radio 
Shack’s. <Good grief!>. Then he leaps 
up on the stump to narrate how he can 
"talk with a real live Radio Tech" from 

ICOM and AOR.and tlien drivels, 

"Try that with one Radio Shack." 

These latter statements go a long way to 
establishing that author’s credentials. 
After all, WHAT mfr’s tech support is 
going to talk with YOU or anyone about 
hacking and modifying tlieir stuff? 
You’d get laughed off tlie phone, if you 
tried....and a perfectly good long distance 
phone call wasted. In short, tlie fellow 
exposes his backside where he states that 
Uniden service manuals are as good as 
Radio Shack’s, and that you can talk to 
Uniden’s and AOR’s tech support 
people. Methinks tlie poor fellow doesn’t 
understand what hacking and modifying 
are all about. What do you think about 
Uniden Service Manuals? 

He shifts into 4^^ gear on what he calls 
errors where one is just that, but a couple 
more are only simplifications of highly 
technical matters that I did not want to 
trouble the readers witli. I suppose that’s 
fair, taken all by itself ....but it ain’t all 
by itself...tliere’s more. 

The author gnashes his teetli over the 
neat spreadsheets I presented for 
calculating radio path distances and 
bearings, and for VHF-UHF propagation 
analysis. Clearly, he shows tliat he 
wants to be judge and jury for what 
material is to be given to radio hobbyists. 

The "US SCANNER NEWS** review of 
my ULTIMATE SCANNER book rambles 
on witli many snide remarks, on and off 
target, interspersed with an occasional 
nod of approval, and concludes with an 

9/19/95 ^4:16 PM^ The ^^Worltl Scanner Rcport^^ © 1991-95; Volume 5 , No 7; Page 3 

sequestered from the output components 
to prevent feedback. Ground connections 
should be kept short and organized. The 
SSA is so cheap and easy to build that 
you might want to do a larger, utility 
version first, on which to cut your teeth, 
so to speak. Later, you can whittle down 
a second one to a minuscule size for 
clandestine or surreptitious needs. The 
first version can be constructed from the 
Parts List below, while a refined, micro 
version can be made from equivalent 
surface mount components. 

VR-1 Note; VR-1 can be a “normal” 
volume control with a knob or it can be a 
mini potentiometeror even a micro 
trimmer potentiometer recessed into the 
case with a screwdriver access hole. I’ll 
leave the specifics up to you. The 
resistance value is the critical parameter 
here; not size unless you need a tiny unit. 

Operation; Nothing to it. Plug your 
Super Snoop Microphone from last issue 
into the INPUT jack. Plug a small 
speaker or an earphone into tlie 
OUTPUT Jack. Apply DC power of +6 
to +14 volts (not critical) to the power 
lead. Adjust VR-1 for desired volume. 

All this said and done, suppose you don’t 
want to build your own Super Snoop 
Amplifier? Ok, buy one ready-made^ 
probably the same damn thing, for $12 at 
Radio Shack, #277-1008. You can 
hardly beat it and spend less money at 
the same time. The ready-made model 
easily fits in a shirt pocket but might be 
larger than you want. So roll your own or 
buy one ready-made. Either one is very 
nice. Either amplifies weak signals. 





^22-pF/l 6v tontulum 
-'I OO^pF ceramic "i 
22:M-F/1 6v tontulum) 


Shack # 

1 -pF/35v tontulum 



^ .05-uF ceramic 

272-134 A'' 

C6 220-pF/35v electro 



470-pF/35v electro 


VR-l^^ 100-kQ trimmer 


or 100-kQ tVol Ctrl 


10-Q, V4-watt 


LM-386 Audio 1C 


or NTE/ECG 823 


Vb" phone jocks 



Enclosure & PC Assy 



SPST On/Off Switch 



9-v Battery Holder 



9-v Battery Snap 

270-325 can stay strictly legal, too, and 
use the SSA as a cheap hearing 
1 do. © It’s good for a multiplicity of 
purposes; legal and illegal. You pick. 

Wrap Up: By tlie way; tliere are some 
slick things you may want to know about 
last issue’s Super Snoop Microphone and 
this issue’s Super Snoop Amplifier. Per 
instance, you can mount the SS Mic at 
the focal point of a parabaloid dish for a 
“big ear” gizmo. Or fit an anechoic 
muffler tube around the SS Mic to make 
a liiglily directional unit. As it is 
designed, tlie SS Mic is ratlier omni¬ 
directional, which is fine for some needs 
and not so great for otliers. The 
directivity of a microphone is a 
mechanical tiling; not electrical, so make 
your own directional housing as needed. 

Things to come; You might wonder 
what tlie SS Mic and SS Amp liave to do 
with scanners. Well, I don’t want to give 
away the store just yet, but stay tuned, 
because we’re not done with the Super 
Snoop gadgets yet. The SS Mic and SS 
Amp are integral parts of a slick and 
wicked project that’ll knock your socks 
off. And that’s where we’ll get back into 
scanners and bring all this together. For 
now, just go along witli me because each 
component that I’ll be introducing is 
good enough on its own for specific 
situations. Then, I’ll bring ‘em all 
together to amaze the hell outa you! 


The new 1996 Radio Shack Catalog does 
not list the PRO-2035, but in its place at 
a $50 liigher price is the new PRO-2042. 
Bye-bye PRO-2035. One year market 
life. Adios. I thought it would happen. 

What I didn’t tliink would happen is a 
near identical clone of tlie 2035 as a 
replacement. A catalog review suggests 
the two radios are tlie same. They look 
alike, anyway. The catalog description 
offers only one clue. ""Advanced Auto- 
store". Wliat the hell is that? 

I could bet on one more difference. The 
now defunct PRO-2035 has a major 
weakness with image frequencies on 
1100-MHz from the cellular base band. 
Some scannists might appreciate this 
weakness, but us purists detest image 
interference, and Radio Sliack may have 
been concerned about the law against 
cellular-capable scanners. I’d bet that 
image interference has been eliminated. 

Soooo, at first glance, it appears to me that 
a little bit of new firmware and a slight 
redesign to eliminate a fault results in the 
same old scanner at a $50 boost in price. I 
have a Service Manual on order for a 
detailed review, but I don’t know if I will 
buy one of these “dogs”. You guys could 
help me make up my mind, though! Please 
turn the page for an interesting offer. 

NEW PRO-2042 


Of: 1 ?VP<>. i 5. if>C power Oi:t; 

9/19/95-4:29 PM ~ The “World Scanner Report” © 1991-95; Volume 5 , No 7; Page 5 



PRO-2035 & CE-232 

I just can’t afford to buy every new 
scanner that sneaks onto the market 
these days, but I have to have scanners in 
hand in order to develop mods and to 
give an intimate evaluation of them. 

Accordingly, I'll sell my like-new. 
Turbo-Whopper PRO-2035 to recoup 
funds to buy and hack the new PRO- 
2042. Here's what's in the package: 

• PRO-2035 if new $450 

• CE-232 Computer Interface, external 

in a metal box w/cable, disk, manual, 
assembled/tested if new $450 

• LED S-Metcr if new $100 

• LED Center-Tune Mtr if new $ 80 

• Data/Tone Squelch if new $100 

• 16,000-Chan Extended Memory 

16 Blocks, 1000-ch ea if new $250 

• Extended Delay if new $110 

• Auto Tape Rec Switch if new $ 70 

• This PRO-2035 has received the best of 
care and attention and just might make 
the right TurboWhopper for some astute 
sconnist. The "new" cost of this ultra-fine 
scanner is $1610.—, but I will accept the 
best offer over $900 between now and 
September 30, 1995, or the f/rsf offer 
over $1300.—. If you want to make a 
serious offer, contact me by e-mail, postal 
mail, or Cindy by voice phone per the 
Reference Information on Page 1 of this 
issue. Payment by VISA/MC/cosh, MO, or 
check; check held until bank clears. 

~ Continued — 

The 1996 Radio Shack Catalog sports 
the two new liigh-end handheld 
scanners. PRO-26 and PRO-60, that 
have been discussed here in the past, so 
they're not all that new. The PRO-26 
appears to be the better of the two, and 
certainly costs more. Forget hacking 
either of these two for anytliing exciting. 

If the new PRO-2042 follows the GRE 
design of the PRO-2035, it will prove to 
be a firmware enhanced PRO-2006, sans 
cellular bands. The firmware of the 
PRO-2035 was interesting and a step 
ahead of the rest of the pack, so the 
PRO-2042 probably follows suit. More 
later, when 1 get the Service Manual or if 
1 can find a way to buy a PRO-2042. 

If you know what’s good for you and 
your wallet, steer clear of the rest of 
Radio Shack’s scanners unless your 

budget has no possibility of affording the 
PRO-2042, PRO-26, or PRO-60. 

One of the neatest tilings in tlie 1996 
catalog is the return of “my” Event 
Counter Module, #277-302 (pg 130). 
Salt}’, crusty hackers may remember my 
Mod-30 Event Counter. Then a year 
alter I published it. Radio Shack pulled it 
from file shelves. Now it’s back....sort of. 

I fiiink it has to be special ordered, but 
what the heck? Page 130 sports a 
handful of other interesting LCD 
modules, including a low cost panel- 
mount voltmeter/ammeter. 

Page 125 sports a $99 oscilloscope! 
Well, it’s a probe with an LCD display of 
some sort, and software to run it as a 
20-MHz oscilloscope. I can’t imagine 
the LCD display being worth a hoot, but 
the PC adapter and software ought to 
make tliis puppy a bargain for most 20 
MHz scope needs. Nothing else new in 
file test equipment department, but 
anofiier mention is deserved for file PC- 
Interface Multimeter with 20 MHz 
frequency counter, #22-168. We’ve 
reviewed this one in the past. Their 
Bench meter 22-175 remains a good buy. 

On pg 120 is a one-hand soldering 
pencil with a gizmotchy to feed solder 
while you work. Neat idea, but I don’t 
like file tip on the damn thing. 

A neat coax cable stripping tool is 
offered for $7 on page 118. Good for 
RG-6 and RG-59 cables only. 

A new shortwave receiver, the DX-394 
appears on page 44, but at $400, I 
duimo. Radio Shack has never been 
renowned for their SWL gear. This one 
has all the earmarks of sizzle without 
steak. Caution advised. Tlie portable 
DX-392 looks decent, but at $250, I 
dunno about that one, either. 

New ham and business radios and 
related equipment appears on pp 41-43 


_ From: Ira Cooper _ 

Bill, R-264 is where I pull DC power for 
an LED S-Meter mod in the PRO-39. Let 
me know if this is kosher. It seems to be 
working so far. IVe added your LED S- 
Meter, MOD-26, to tlie PRO-39 using 
surface mount LED's. Its pretty damn 
cool. I cut a Vg" X vertical slot in the 
front of the case approx, ^/g" above the 
center of the word "KEYLOCK". My S- 

Meter consists of 6 green and 4 red 
LED's. Unfortunately tlie yellow LEDs 
looked just like tlie green (maybe tliey 
sent the wrong ones) so I used green and 
red. The LM-3914 is on the top board 
upper left comer; it will lay on its back. 
The precision pot lays to tlie right about 
Vg” away on another blank spot on the 
board. The whole component section is 
built almost entirely between the legs of 
the LM-3914. The brightness pot was 
used to adjust brilliance, olims measured, 
tlien removed and replaced with a 
resistor of the measured value. Its tight 
but I love it. 

ED Comment: The proper DC power 
pickoff point is on the switched side of 
the On/Off switch. This could also be at 
the junction of R264 & R265, same 

Here's a clue for you....about saving 
battery power. Keep in mind, depending 
on the setting of the LED brilliance, that 
current per LED can go to 25-ma or 
more. If you 're monitoring fairly strong 
signals, then 3~10 lit LEDs will drain 
your batteries in short order! But there 
is a remedy, thanks to a little known 
feature of the LM-3914 chip. It has a 
setting for either barograph or spot 
mode! Bar-graph is where all LEDs up 
to the highest one are lit at the same 
time, whereas in spot mode, only the 
single highest active LED is lit. This 
represents a considerable savings of 
power, and increased operating time! 

Note how in MOD-26, Pin 9 is tied to a 
+ voltage point? Lift that connection so 
that Pin 9 doesn't connect to anything, 
and you're in the energy-saving spot 
mode! Put a switch there so you can 
select either mode, at whim and fancy! 

For those not in the know, a simple 
detector" circuit is needed to generate 
an output to an S-Meter device. That 
detector is shown as follows: 


01-uF 1N34A 

In the PRO-39, Point A of the detector 
goes to the cathode of D-202 at the 
output of T-203, the last I.F. 
transformer. The fully amplified 455-Khz 
IF signal is converted by the detector to 

9/19/95-4:29 PM ~ The ‘World Scanner Report** © 1991-95; Volume 5, No 7; Page 6 

a DC voltage proportional to the strengtlt 
of the I.F. signal. Point C of the detector 
feeds tliis DC signal to the S-Meter of 
choice. Point B at either end is simply 
ground. Ira Cooper, the submitter of tliis 
excellent mod, chose the LED S-Meter 
(MOD-26) from Vol-2 of my Scanner 
Modification Handbook. Mr. Cooper 
went on to build his LED S-Meter into 
the PRO-39, an excellent idea. 

You may prefer the easier and safer 
method of an external S-Meter that can 
be disconnected from the scanner as 

I desired. If tliis is tlie case, 

build tlie detector into as 
small of a volume as 
possible and connect Point 
A to tlie cathode of D- 
202. Install a small 
phone jack in tlie side of 
tlie scanner’s case. 

Connect Point C of the 
detector to tlie center lug 
of the phone jack. 
Connect Point B to 
Cathode scanner ground at one end 
-202 and to the shell of the 
phone jack at the otlier 

Tlien build the S-Meter of 
choice in a metal box or 
other enclosure witli a 
I short cable terminated in 

a phone plug to mate with 
the phone jack on the 
[ scanner. 


I Your S-Meter can be the 

LED type like MOD-26 in 

- my SMH-Vol 2, or it can 

be tlie analog type described as MOD-25 

in the same book. If you don’t have that 
book, you can get the needed information 
from a back issue of tlie WSR (V3N3P5). 
In fact, tliat issue offers a very detailed 
S-Meter mod for the PRO-43, the details 
of which are precisely applicable for the 
PRO-39, except as noted herein. 

Ira Cooper now explains how he adapted 
my MOD-26 to a surface-mount LED S- 
meter for his PRO-39 as shown in the 
remainder of this article: =:> o o o <5' 



Use Insulated 

_ , . 30-ga wire 

Solder / ... i 

fv Power 

From R-264 

Cut opening 
for LEDs 

Area > 

Inside View 
of PRO-39 
Front Panel 

Ira Cooper 2oes on to sa 

I used a copper strip with sticky back (From 
RS... part# unknown) and the LED common 
side. This made it easy to line up the ten 

9/19/95-4:38 PM~ The “World Scanner Rcpoii” © 

CtWBDENyiAliStffiSCRnn^i^ PleasftPttntCIaarlyl SubsetiberNo; 

1991-95; Volume 5, No 7; Page 7 


_-_Career or 


& Other Radios » 

METHOD OF Check Cash M.O. Visa MstCard COD (+$8.50) 
PAYMENT » □ □ □ □ □ _ 

Credit Card 

Acc't No:»_- -_-_ 

Signature Required (for credit card purchases) 

What else to tell us? 


Amount Enclosed 

Amount Charged 

Name of Expiration 

Issuing Bank_ Date: 

USA RATES shown: Canada add 25%; Other Foreign -*-25%-surf or +50%-Air 

t ea $ 5m\$ 

1991 -94: any one year set-10 ea $30.00 h 

1991-92: first two years, set-20 ea $40,001$” 

1993-94: second two years, set-20 ea $40.00 

1991-94: all four years, set-40 ea $75.00 


First or second Half Year — 5 ea $20.00 

One Year — 10 ea $35.00[$” 
Two Years — 20 ea $65.001$” 


Scanner Mod Hndbk, Vol-1: $17.95 + $4.00 S&H * H 
Scanner Mod Hndbk. Vol-2: $17.95 + $4.00 S&H *($ 
Ultimate Scanner (CheekS): $29.95 + $4.00 S&H * 
Scanners & Secret Frequencies: $19.95 + $4.00 S&H * | 

* Canada US$9 S&H; Other Foreign US$11 S&H; all add extra for Air 
CE-232 Interface Kit $194.95 * $5 S&H; All Foreign add $10-surf 
Hertzian Intercept BBS Subs: $8/mo $15/3-fno $25/6-mo $40/yr $75/2-yr 1 
Calif addresses; add 7.25% sales tax to all orders except subcrlpHorrs 


vcr\ small LEDs. I stuck a 2” lengtli of 
copper strip on a piece of wood, then covered 
the piece in solder. Tlien I timied the lands 
of each LED. Now I was able to line up the 
10 LEDs anode against the copper strip, in 
the order I wanted. Heat the copper strip 
solder while in contact with LEDs to make a 
nice common bond. 

Add all wire leads using 30 ga wire from 
R.S., 4" long. SEE DIAGRAM 

1. I needed to trim some of the plastic 
edging around the speaker for my LED 
package to fit. Also had to trim tlie 
copper strip on conunon side of LEDs. 

2. Place LED strip over opening with wire 
leads on the outside (away from spkr). I 
held this in place with clear tape. The 
logic board will hold it once replaced. 

3. Route the wires with other wire bundles 
and replace logic board and middle 
board. (S-meter diode detector connects 
to underside of middle board) 

4. Coimect signal detector wire from LED 
package to diode detector circuit. 

5. Comiect power wire to top leg of R264 

6. Coimect ground to any scanner ground. 

7. Replace top board. 

When making connections to the 3914, make 
all connections as close to the body as 
possible and cut off excess length. Build this 
circuit point-to-point on the 3914 chip, 
following instructions in the Scanner 
Modification Handbook^ Volume II. 

1 used glue to hold the 3914 and pot to circuit 
board. For brightness I coimected the pots as 
instnicted, set briglitness, measured pot 
value, tlien removed pot and replaced it with 
equal value resistor. Tliis helped keep the 
size to a minimum. Also, set the gain pot 
prior to securing components with glue. 



From: Tonv Thornton, Mize, MS 
Received; US Mail. 

Hi Bill & Cindy: I need one of tliose Percon 
CD rom's, so here’s my attempt. 

My favorite gripe on our hobby is tlie press 
and their coverage and sometimes lack of 
coverage on our hobby. (Tlie various rags 
tliat have some scanner coverage or only 
scaimer coverage, I don’t read tlie others) 
Tliey all seem to make a huge attempt to stay 
away from stories that are even a little 
controversial. (Read Interesting) I have not 
seen one mention anywhere of Laura 
Quarantiello’s two-facing of our hobby in 
“Police” Magazine. Only on tlie Internet 
Newsgroups could you find these types of 
stories. Tliis only backs up your position of 
computers and our hobby, you must own one! 
I think these rags could make better attempts 
to cover different subjects each month. If you 
read one, you’ve read them all. Even the tech 
articles in some seem to be sometimes almost 
the same from one to the next. I won’t 
ramble on, you get the idea, most of these 
magazines are all the same. I enjoy the WSR 
a great deal. The almost totally technical 
format is exactly what I like. Thanks © 

ED: Little do some of you guys know how 
thoroughly politics is embedded in all 
avenues of Life, including Hobby Radio. The 
hobby radio press is not truly THE press, for 
one thing. Almost all, including the WSR, 
are side ventures of companies just trying to 
make a living. Most play the political role to 

the hilt. The WSR tries not to . but I can 

tell you right up front, we pay a price! Alas, 
we cannot sidbsist on press revenue alone. © 


From: Paul Longo. Stamford. CT 

Received: US Mail. 

Wlio came up witli tliis tiling, anyway—some 
tliird-grader using his fatlier’s PC, or an 
artistically-challenged graphics wannabe? I 
mean, c’mon - a red letter “R” sitting at tlie 
edge of a red circle??? That’s REALLY 
sophisticated! Is this the creative pinnacle of 
a multi-billion-dollar international company? 
Tlie new logo HAS to be an “inside” design 
job - you know, the president’s son wanted 
to show off his new “computer skills” to Dad, 
who then made sure that Sonny’s “artwork” 
would grace every Radio Shack publication 
and advertisement in the world! It CAN’T be 
that they actually PAID for tliis sorry excuse 
for a graphics product! 

And - while we’re on the subject - how 
about the new (^'typeface ” to you non-artsy- 
fartsy WSR readers) that the words “Radio 
Shack” are now set in? It’s about as exciting 
as Helvetica. In fact, it LOOKS like 
Helvetica! Tliere must be a hundred 
thousand fonts on the graphics market, and 
Radio Shack picks the most boring one! (At 
least the font they used prior to this one 
looked modem and futuristic, more in 
keeping with the image of an electronics 
company. The new font reminds me of a 
headline in a cheap supermarket tabloid...). 

Radio Shack’s logo just dropped down to tlie 
level of its products with this latest 
“improvement”! (With exception of scaimers, 
of course.) PS...I bet tliat Radio Shack still 
keeps me on their mailing list..(Here’s my 
entry for your “Pet Peeve” contest. Now that 
summer is over, we grouches can come out of 
the woodwork again.) 

ED: Radio Shack plays Super Politics. Now, 
Computer City and Incredible Universe! © 

9/19/95 - 4:38 PM~ The “Wofld Scantier Repott” © 1991-95; Volume 5, No 7; Page 8 

COHHtroniis QlSINBlIB's 

-masemmwsr. ^^e. $ 

PO BIB 262471 
SIN DIEeO, U 92126-2471 

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